Examples with ContextWrapper android.content.ContextWrapper used on opensource projects

Example 16 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by AOSPA.

the class TestContext method createStorageTestContext.

/**
     * Returns a Context configured with test provider for authority.
     */
static Context createStorageTestContext(Context context, String authority) {
    final MockContentResolver testResolver = new MockContentResolver();
    TestContentProvider provider = new TestContentProvider();
    testResolver.addProvider(authority, provider);
    return new ContextWrapper(context) {

        @Override
        public ContentResolver getContentResolver() {
            return testResolver;
        }
    };
}

Example 17 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by AOSPA.

the class ModelTest method setupTestContext.

private void setupTestContext() {
    final MockContentResolver resolver = new MockContentResolver();
    context = new ContextWrapper(getContext()) {

        @Override
        public ContentResolver getContentResolver() {
            return resolver;
        }
    };
    provider = new TestContentProvider();
    resolver.addProvider(AUTHORITY, provider);
}

Example 18 with ContextWrapper

use of android.content.ContextWrapper in project android_frameworks_base by DirtyUnicorns.

the class Dialog method getAssociatedActivity.

/**
     * @return The activity associated with this dialog, or null if there is no associated activity.
     */
private ComponentName getAssociatedActivity() {
    Activity activity = mOwnerActivity;
    Context context = getContext();
    while (activity == null && context != null) {
        if (context instanceof Activity) {
            // found it!
            activity = (Activity) context;
        } else {
            context = (context instanceof ContextWrapper) ? // unwrap one level
            ((ContextWrapper) context).getBaseContext() : // done
            null;
        }
    }
    return activity == null ? null : activity.getComponentName();
}

Example 19 with ContextWrapper

use of android.content.ContextWrapper in project android_packages_apps_Settings by LineageOS.

the class ThemePreferenceControllerTest method setup.

@Before
public void setup() {
    mMockOverlayManager = mock(OverlayManager.class);
    mMockPackageManager = mock(PackageManager.class);
    mContext = new ContextWrapper(InstrumentationRegistry.getTargetContext()) {

        @Override
        public PackageManager getPackageManager() {
            return mMockPackageManager;
        }
    };
    mPreferenceController = new ThemePreferenceController(mContext, mMockOverlayManager);
}

Example 20 with ContextWrapper

use of android.content.ContextWrapper in project BaseProject by fly803.

the class SharedPreferencesUtils method getSharedPreferencesFromPath.

public static String getSharedPreferencesFromPath(Context context, String dirName, String sharePreName, String key, String defaultValue) {
    SharedPreferences mySharedPreferences = null;
    try {
        Field field;
        // 获取ContextWrapper对象中的mBase变量。该变量保存了ContextImpl对象
        field = ContextWrapper.class.getDeclaredField("mBase");
        field.setAccessible(true);
        // 获取mBase变量
        Object obj = field.get(context);
        // 获取ContextImpl。mPreferencesDir变量，该变量保存了数据文件的保存路径
        field = obj.getClass().getDeclaredField("mPreferencesDir");
        field.setAccessible(true);
        // 创建自定义路径
        File file;
        if (isHaveSD()) {
            file = new File(SDCARDDIR, dirName);
        } else {
            file = new File(context.getCacheDir().getAbsolutePath() + File.separator, dirName);
        }
        // 修改mPreferencesDir变量的值
        field.set(obj, file);
        mySharedPreferences = context.getSharedPreferences(sharePreName, Context.MODE_PRIVATE);
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    return mySharedPreferences.getString(key, defaultValue);
}